AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Stepped |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5307 Studs |
| National Item Identification Number (NIIN) | 01-105-0278 (011050278) |
| NCB Code | USA (01) |
| Manufacturer | Rolls Royce Corporation, Allison Transmission Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 6784209P0015 | rolls royce corporation | stud stepped | RFQ |
| 6784209P0015 | allison transmission inc | stud stepped | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AASA | THREAD LENGTH | 0.521 INCHES MINIMUM NUT THREAD AND 0.541 INCHES MAXIMUM NUT THREAD |
| AASA | THREAD LENGTH | 0.615 INCHES MINIMUM STUD THREAD AND 0.635 INCHES MAXIMUM STUD THREAD |
| AAZE | SHANK DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 3.452 INCHES MINIMUM AND 3.472 INCHES MAXIMUM |
| ADDU | DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM FIRST HOLE |
| ADDV | COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| CMLP | THREAD QUANTITY PER INCH | 16 STUD THREAD |
| CMLP | THREAD QUANTITY PER INCH | 24 NUT THREAD |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
| FEAT | SPECIAL FEATURES | THD 0.0015 IN. OVERSIZE |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | EMS85010,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM NUT THD |
| SFTT | SURFACE TREATMENT | CADMIUM SHANK |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE NUT THD |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE SHANK |
| STYL | STYLE DESIGNATOR | STEPPED |
| THSD | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| Relevant Components for NSN - 5307-01-105-0278, 5307011050278 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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